CometC/2015 V2 (Johnson)
UserKoalin
User`s nameDarius Gasiūnas
Observation's time (UT)2017-08-29 23:10
ToolSky-Watcher 12 Inch Dobsonian Telescope
Observation's placeДеревня Dindos, Ignalinos район, Литва
Magnitude10.4
Comparison stars sourceTK - Tycho-2 Catalogue
MethodM - Morris`s method
Coma diameter(')2.5
Tail's lengthNot set
Condensation3/
Positional angle of tailNot set
Bortl's scaleNot set
Aperture30.5 cm
Focal length (mm)1500
Type of toolL - Newtonian reflector
Magnification123.3
Field of view (°)0.58
SQM-L in zenith
Light pollution zone
Lm
CommentC/2017 O1 ( ASASSN )
Morris Format2017 Aug 29.97 UT: m1=10.4, Dia.=2.5', DC=3.5 ...30.5-cm L (123.3x) ...Darius Gasiūnas (Деревня Dindos, Ignalinos район, Литва, )